再麻烦译成英文，也是6点以前要，有分，但不多……麻烦大家了

Since the economy in China is developing rapidly, quite a lot of families own private cars. It is more convenient and quick for those who want to go out with their families or commute to work. However, some problems are brought about as well. More exhaust is released daily, giving rise to more serious pollution, and traffic obstruction becomes more common. It is neither encouraged nor disencouraged to possess one's own car but we should make the development of private cars under control.

在当今经济快速发展的中国，不少家庭拥有了私家车。
Many families own private cars in China with its rapid development of economy.

私家车的好处就是有利于人们出行方便，快速。
The advantages of the private cars are the convenience nad speed they provide people in travelling.

私家车的坏处就是污染环境，有碍于交通。
The disadvantages of the private cars are that it pollutes the environment and handicaps the traffic.

我们既不控制私家车的发展，也不限制私家车的发展，但要抑制私家车的发展。
We will neither control nor limit the development of